2-bar-reversal-indicator

//+——————————————————————+
//| 2 Bar Reversal indicator.mq4 |
//| Copyright ?2008-2010, TradingSytemForex |
//| http://www.tradingsystemforex.com |
//+——————————————————————+

#property copyright “”
#property link “”

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 DeepSkyBlue
#property indicator_color2 OrangeRed

double CrossUp[];
double CrossDown[];
double prevtime;
double Range,AvgRange;
double LimeRmonow,LimeRmoprevious;
double GoldRmonow,GoldRmoprevious;
/*
extern int MALength=2;
extern int Depth=10;
extern int SignalsSmooth=30;
extern int Smooth=81;
extern int Price=PRICE_CLOSE;
*/
double pt,mt;

//+——————————————————————+
//| Initialization |
//+——————————————————————+

int init()
{
if(Digits==3 || Digits==5){
pt=Point*10;
mt=10;
}else{
pt=Point;
mt=1;
}
//—- indicators
SetIndexStyle(0,DRAW_ARROW,EMPTY,2);
SetIndexArrow(0,233);
SetIndexBuffer(0,CrossUp);
SetIndexStyle(1,DRAW_ARROW,EMPTY,2);
SetIndexArrow(1,234);
SetIndexBuffer(1,CrossDown);
//—-
return(0);
}

//+——————————————————————+
//| Deinitialization |
//+——————————————————————+

int deinit()
{
//—-

//—-
return(0);
}

//+——————————————————————+
//| Iteration |
//+——————————————————————+

int start()
{
int limit,i,counter;
int counted_bars=IndicatorCounted();

if(counted_bars<0)return(-1);
if(counted_bars>0)counted_bars–;

limit=Bars-counted_bars;

for(i=0;i<=limit;i++){
counter=i;
Range=0;
AvgRange=0;
for(counter=i;counter<=i+9;counter++)
{
AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
}
Range=AvgRange/10;

if(Close[i+3]>Open[i+3] && Close[i+2]<Open[i+2] && Close[i+1]<Open[i+1] && Close[i]>Open[i] && Close[i+1]<Low[i+2] && Close[i]>High[i+1]+1*pt){
CrossUp[i]=Low[i]-Range*0.5;
}
if(!(Close[i+3]>Open[i+3] && Close[i+2]<Open[i+2] && Close[i+1]<Open[i+1] && Close[i]>Open[i] && Close[i+1]<Low[i+2] && Close[i]>High[i+1]+1*pt)){
CrossUp[i]=EMPTY_VALUE;
}
if(Close[i+3]<Open[i+3] && Close[i+2]>Open[i+2] && Close[i+1]>Open[i+1] && Close[i]<Open[i] && Close[i+1]>High[i+2] && Close[i]<Low[i+1]-1*pt){
CrossDown[i]=High[i]+Range*0.5;
}
if(!(Close[i+3]<Open[i+3] && Close[i+2]>Open[i+2] && Close[i+1]>Open[i+1] && Close[i]<Open[i] && Close[i+1]>High[i+2] && Close[i]<Low[i+1]-1*pt)){
CrossDown[i]=EMPTY_VALUE;
}
}
if((CrossUp[0]>2000) && (CrossDown[0]>2000)){prevtime=0;}
if((CrossUp[0]==Low[0]-Range*0.5) && (prevtime!=Time[0])){
prevtime=Time[0];
Alert(Symbol(),” 2 Bar Reversal Up @ Hour “,Hour(),” Minute “,Minute());
}
if((CrossDown[0]==High[0]+Range*0.5) && (prevtime!=Time[0])){
prevtime=Time[0];
Alert(Symbol(),” 2 Bar Reversal Down @ Hour “,Hour(),” Minute “,Minute());
}
return(0);
}